Lines Matching defs:sign
15 * with user provide pointer for the sign of Gamma(x).
64 * since G(-x) is positive, sign(G(x)) = sign(sin(pi*x)) for x<0
65 * Hence, for x<0, signgam = sign(sin(pi*x)) and
148 /* sin(pi*x) assuming x > 2^-100, if sin(pi*x)==0 the sign is arbitrary */
175 int sign,i;
179 sign = u.i>>63;
184 if(sign) {
190 if (sign) {
278 if (sign)